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COMMUNICATIONS 
TO THE 
MONTHLY MEETINGS, 
1851 . 
January.—John Phillips, Esq,.— On Magnetism in Yorkshire. 
June. —J. Hall, Esq. —On the Walls of Roman York. 
November.— W . Gray, Esq. —On the total Eclipse of the Sun, of 
the 28th July last, as observed by him in Norway. 
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